At-Ta'i
Abbasid caliph during 10th century
Abbasid caliph during 10th century
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Leaders & Politicians
Iraq
Ruled as the Abbasid caliph from 974 to 991. The reign was marked by internal strife within the empire and challenges to authority. Faced opposition from regional powers and dealt with the rise of the Buyids, who gained significant control over Iraq. His tenure ultimately reflected a period of decline for Abbasid power and influence. Died in 1003.
Ruled as the Abbasid caliph from 974 to 991
Faced challenges from Buyid invaders
Contributions to mathematics included the development of the theory of matrices and representation theory. Frobenius worked at various academic institutions, with significant tenure at the University of Berlin. Best known for establishing the Frobenius theorem, which pertains to differential equations and integrability conditions. The work laid foundations critical to modern algebra, influencing later research in both abstract algebra and mathematical physics.
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